Wallace
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Which MM1 should I keep?Ok, I have 3 MM1's. I have a disc crank type, with the wick burner.
plus
I have 2 others, this one with the flat ended cylinder, no burner (but can use wick burner from other one)
and this one, with evap type burner
Assuming they run ok and clean up nicely, which one should I keep?
I'm partial to evap type, as it was my 3rd engine runs well, and has burner which seems rare to get for cheap.
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Mamodman123
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Keep the newer one Wallace! I think you have an older MM1 haven't you?
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Wallace
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| Mamodman123 wrote: | | Keep the newer one Wallace! I think you have an older MM1 haven't you? |
Yeah, I have this one, which is a keeper for sure
Although It has a little pain missing under the burner, but that's fine.
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Mamodman123
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Can't see until you remove the burner though Wallace, so it doesn't really matter that much   . Would like to get a disc crank MM1 back at some point.
It's always best to keep the complete engines Wallace, will you sell one of the above on ebay? 
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Wallace
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| Mamodman123 wrote: | Can't see until you remove the burner though Wallace, so it doesn't really matter that much . Would like to get a disc crank MM1 back at some point.
It's always best to keep the complete engines Wallace, will you sell one of the above on ebay? |
Yeah, I'll sell it on OZ ebay. I bought disc crank without burner, so then bought tha flat ended cylinder one cos it had a burner, each for around 25pound.
So when I sell one engine (probably flat ended type) I will get my money back, plus some more
Paint missing is only about the size of your 1 pound coin
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Mamodman123
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| Wallace wrote: | | Mamodman123 wrote: | Can't see until you remove the burner though Wallace, so it doesn't really matter that much . Would like to get a disc crank MM1 back at some point.
It's always best to keep the complete engines Wallace, will you sell one of the above on ebay? |
Yeah, I'll sell it on OZ ebay. I bought disc crank without burner, so then bought tha flat ended cylinder one cos it had a burner, each for around 25pound.
So when I sell one engine (probably flat ended type) I will get my money back, plus some more
Paint missing is only about the size of your 1 pound coin |
Sounds good Wallace! hopefully a few people go nuts on it! like you mentioned with some other Mamods!
It was a good idea to get one with the burner and take that burner for the better engine . The original 1 wick burners are hard to find at the best of times 
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sparky
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yeh hope they will
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Steely
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Keep newer because it has it's burner, so you can have that one to run as much as you like.
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Sandman
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Don't even think about getting rid of the disker Wallace.
I waited ages to get mine.
Any of the other two depending on your likes and dislikes but keep that disk.
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Wallace
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| Sandman wrote: | Don't even think about getting rid of the disker Wallace.
I waited ages to get mine.
Any of the other two depending on your likes and dislikes but keep that disk. |
Yeah, don't worry SM, discer is a keeper. Looks like I'll keep the newer one too.
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yosa
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Quick question Fellas,
Wallace has 2 MM1 models with spoked flywheels. One has painted rim, and other has bare metal rim (same as mine). How come, and can this be used to date the engine?
I'd love to get the disc type, si I'll keep my eyes open. 
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Wallace
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| yosa wrote: | Quick question Fellas,
Wallace has 2 MM1 models with spoked flywheels. One has painted rim, and other has bare metal rim (same as mine). How come, and can this be used to date the engine?
I'd love to get the disc type, si I'll keep my eyes open. |
I can't really help with painted flywheel, v's shiny, but the painted one is a wick burner type. So on a MM1 that indicates pre-1970
Also, the engine frame (the green bit on top of boiler) isn't riveted onto the boiler on the painted flywheel type, it's just clamped there. Note how it's goes around safety valve? So that indicates pre-1967. The one with shiny flywheel is riveted. You can't see rivets in pics though
And it's raised based so it's 1954 onward.
Oh, and spoked flywheel came in, in 1950
Thanks to bible for that info
I hope this helps a little.
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yosa
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I knew it would be a simple answer.
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Wallace
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Until you see the bible, it's hard to imagine how many models there can be, or how to help with the date of them.
There's even differences in cylinder/piston type.
I'm not sure when they came in/went out. But that MM1 with painted flywheel has a flat ended cylinder type.
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Wallace
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Sorry, make that variations in a model type
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yosa
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I just noticed something else Wallace. On all three of your MM1's the strap that holds the boiler down turns out at the bottom, and is visibly bolted to the base.
On mine the strap also bolts to the base, but the bottom turns inwards so that the bolts are within the fire box, so not seen.
Nice detail, don't know what it means though. Got an aspirin?
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Wallace
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| yosa wrote: | I just noticed something else Wallace. On all three of your MM1's the strap that holds the boiler down turns out at the bottom, and is visibly bolted to the base.
On mine the strap also bolts to the base, but the bottom turns inwards so that the bolts are within the fire box, so not seen.
Nice detail, don't know what it means though. Got an aspirin? |
Just looking in the bible, I can see a photo of a range of engines taken in 1973. There is no boiler strap showing on the base, like yours.
If your's has a vaporising burner and doesn't have a overflow plug or sightglass, it's definitely 1970-1974.
Perhaps a boiler strap not showing could be pre 1973? The obviously hid them in 1973 at the latest according to photo
Even another way of telling dates is from original box colours 
Here's a asprin mate
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Mamodman123
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| yosa wrote: | I just noticed something else Wallace. On all three of your MM1's the strap that holds the boiler down turns out at the bottom, and is visibly bolted to the base.
On mine the strap also bolts to the base, but the bottom turns inwards so that the bolts are within the fire box, so not seen.
Nice detail, don't know what it means though. Got an aspirin? |
The ones with the holes in the firebox and you can see the bolts means its older than the ones that bolt inside
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SPOKESMAN
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Early flywheels dont seem to be finished like laters ones, like the hammer and press they were painted all over. This dates the MM1 from around mid 1950s. The later and thinner rimmed flywheels from around mid 60s had their flywheels 'clipped' ie the edges were cleaned up and paint removed with the excess metal.
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yosa
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Thanks Fellas,
I'll take another look at it when I put the light on. Just having a lie down in the dark for now.
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